mail.jlp.bg has one IP number , via cname to mail.bginfo.net , but the reverse is kgb.comnet.bg. ns1.jlp.bg, kgb.comnet.bg, ns1.chfar.com, ns1.comnet.bg, mail.comnet.bg and at least 31 other hosts point to the same IP. jlp.bg use this as a mailserver. jlp.bg is delegated to two nameservers, however both delegated nameservers are missing in the zone and two other nameservers are listed instead. There are two duplicated IP numbers. Some of them are on the same IP network. Incoming mail for jlp.bg is handled by one mailserver at jlp.bg themselves. jlp.bg has one IP number. mail.jlp.bg is hosted on a server in Bulgaria.